package com.headfirst.BehaviorMode.strategy.version1;

/**
 * 绿头鸭
 * @author sunhongguang
 * @create 2022-01-09-21:12
 */
public class MallardDuck extends Duck {
    @Override
    public void display() {
        System.out.println("绿头鸭子");
    }
}
